CN212838609U - Inlet guide vane adjusting mechanism - Google Patents
Inlet guide vane adjusting mechanism Download PDFInfo
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- CN212838609U CN212838609U CN202020894413.XU CN202020894413U CN212838609U CN 212838609 U CN212838609 U CN 212838609U CN 202020894413 U CN202020894413 U CN 202020894413U CN 212838609 U CN212838609 U CN 212838609U
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- guide vane
- inlet guide
- rotating shaft
- rotating
- adjusting mechanism
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Abstract
The utility model discloses an import stator adjustment mechanism is applicable to compressed air energy storage system centrifugal compressor test field, evenly arrange a plurality of import stator blades on the import stator barrel including pressing cover, rotation handle, holding screw, fixing bolt and along circumference, can the manually regulated installation angle of import stator. The utility model has the main advantages that the inlet guide vane adjusting mechanism is manually adjusted, and has no complex actuating mechanism, transmission link mechanism and the like, thereby effectively reducing the complexity of the device; the inlet guide vane adjusting mechanism is provided with a dial, a metal pointer and the like, so that control errors caused by a pneumatic/electric actuating mechanism can be avoided, and the accuracy of a compressor test result is improved.
Description
Technical Field
The utility model belongs to the technical field of compressed air energy storage compressor test, a import stator adjustment mechanism is related to, concretely relates to import stator adjustment mechanism can reduce actuating mechanism's complexity effectively, avoids the control error that pneumatic/electric actuator brought, improves the degree of accuracy of compressor test result.
Background
The compressed air energy storage technology is considered to be one of the most potential large-scale physical energy storage technologies, a centrifugal compressor is usually selected as a compressor used in a system, and experiments and detection on the pneumatic and mechanical properties of the compressor are necessary to be carried out to know the internal flow and heat transfer coupling rule, so that the requirement of the compressed air energy storage system on high efficiency and wide working conditions is met, and the key scientific problem in the air energy storage compression system is solved.
At present, an adjustable inlet guide vane mechanism is mostly adopted for variable working condition adjustment of a centrifugal compressor, and an actuating mechanism is in a pneumatic or electric type, so that the requirement on adjustment precision in the industry can be met. However, in the testing process of the compressor, the pneumatic or electric actuating mechanism has the problems of low control precision, flexible connecting rod and the like, so that the angle error of the inlet guide vane is increased, and the accuracy of the testing result is further reduced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned shortcoming and the not enough that exist among the prior art, the utility model aims to provide a manual import stator adjustment mechanism can reduce actuating mechanism's complexity effectively, avoids the control error that pneumatic/electric actuator brought, improves the degree of accuracy of compressor test result.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
an inlet guide vane adjusting mechanism comprises an inlet guide vane cylinder and a plurality of inlet guide vane blades evenly arranged on the inlet guide vane cylinder along the circumferential direction, the blade root of each inlet guide vane blade is formed into a rotating shaft, and the inlet guide vane adjusting mechanism is characterized in that,
each manual adjusting mechanism at least comprises a pressing sleeve and a rotating handle, wherein,
the pressure sleeve is integrally cylindrical, a mounting flange is formed on the side wall close to the top of the pressure sleeve, a plurality of stepped mounting holes which are in one-to-one correspondence with the pressure sleeve are formed in the inlet guide vane cylinder, each pressure sleeve is fixedly mounted in one corresponding stepped mounting hole through the mounting flange,
a plurality of adjustable set screws are further arranged on the side wall of each pressing sleeve and are all located above the mounting flange, a rotating shaft at the blade root of each inlet guide vane penetrates through the pressing sleeve, and the rotating shaft is fixed or loosened by adjusting the abutting degree between the set screws and the rotating shaft;
the tail end of each rotating shaft is fixedly provided with one rotating handle, each rotating handle at least comprises a rotating disc and a knob part which is concentrically and fixedly arranged on the top surface of the rotating disc, and the outer diameter of the rotating disc is at least larger than the inner diameter of the pressing sleeve.
The utility model discloses an among the import stator adjustment mechanism, press cover accessible fixing bolt to install on the import stator barrel, import stator blade passes and presses the cover, with it utilizes holding screw fixed or unclamp to press the cover.
Preferably, the outer diameter of the rotating shaft is matched with the inner diameter of the pressing sleeve, and a plurality of bushings are arranged between the rotating shaft and the pressing sleeve.
Preferably, each mounting flange is provided with a plurality of connecting holes, and each pressing sleeve is fixedly mounted in a corresponding stepped mounting hole through the connecting hole on the mounting flange by using a fastener.
Preferably, when the set screw is rotated to be closely abutted against the side wall of the rotating shaft, the rotating shaft is not rotatable, and when the set screw is rotated to be disengaged from the rotating shaft, the rotating shaft is rotatable.
In the inlet guide vane adjusting mechanism of the utility model, after the rotating shaft of the inlet guide vane blade and the pressing sleeve are fixed by the set screw, a rotating handle can be installed; after the rotating handle is installed in place, the fastening screws are loosened, the rotating handle can drive the inlet guide vane to rotate, and then the installation angle of the inlet guide vane can be adjusted.
Preferably, the tail end of the rotating shaft is provided with a threaded hole, the center of the bottom of the rotating disc is provided with a threaded rod, and the rotating handle is fixedly arranged in the threaded hole of the rotating shaft through the threaded rod.
Preferably, the rotating handle further comprises a pointer fixedly arranged on the rotating disc, a dial used for indicating the installation angle of the inlet guide vane is arranged on the annular end face at the top end of the pressing sleeve along the circumference, the pointer extends to the dial along the radial direction of the rotating disc, and the installation angle of the inlet guide vane is judged according to the position of the pointer on the dial.
Further, calibrating the 0-degree reticle position of the dial according to the actual 0-degree position of the inlet guide vane mounting angle.
Preferably, the number of the set screws on the side wall of the pressing sleeve is at least two, so that the inlet guide vane blade is prevented from being loosened in the testing process of the compressor.
Compared with the prior art, the utility model discloses an import stator adjustment mechanism has following advantage: (1) the utility model provides an import stator adjustment mechanism is manual regulation, does not have complicated actuating mechanism and transmission link mechanism etc. can reduce the complexity of device effectively. (2) The utility model provides an import stator adjustment mechanism possesses calibrated scale, pointer etc. can avoid the control error that pneumatic/electric actuator brought, improves the degree of accuracy of compressor test result.
Drawings
Fig. 1 is a schematic view of an inlet guide vane adjusting mechanism of the present invention;
FIG. 2 is a schematic view of the assembly of the middle pressure sleeve and the rotating handle of the present invention;
fig. 3 is an assembly schematic diagram of an inlet guide vane blade on an inlet guide vane cylinder according to the present invention;
fig. 4 is a schematic structural view of the middle pressure sleeve of the present invention;
fig. 5 is a schematic structural view of the middle rotating handle of the present invention.
The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:
1-inlet guide vane cylinder, 2-inlet guide vane blade, 3-pressing sleeve, 31-mounting flange, 32-dial, 4-turning handle, 41-turning disc, 42-knob part, 43-pointer, 44-threaded rod, 5-fixing bolt, 6-set screw I, 7-set screw II, 8/9-bushing and 10-gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1-5, the utility model provides an inlet guide vane adjustment mechanism, including pressing cover 3, rotating handle 4, fixing bolt 5, holding screw 6/7, bush 8/9, packing ring 10 and evenly arrange a plurality of inlet guide vane blades 2 on inlet guide vane barrel 1 along circumference. The blade root of each inlet guide vane blade 2 is formed into a rotating shaft 21, and the rotating shaft 21 at the blade root of each inlet guide vane blade 2 is arranged on the inlet guide vane cylinder 1 in an angle-adjustable manner through a manual adjusting mechanism. Each manual adjusting mechanism at least comprises a pressing sleeve 3 and a rotating handle 4, wherein the pressing sleeve 3 is integrally cylindrical, a mounting flange 31 is formed on the side wall close to the top of the pressing sleeve 3, a plurality of stepped mounting holes corresponding to the pressing sleeves 3 one by one are formed in the inlet guide vane cylinder 1, each pressing sleeve 3 is fixedly mounted in a corresponding stepped mounting hole through the mounting flange 31, and specifically, the pressing sleeve 3 is mounted on the inlet guide vane cylinder 1 through a fixing bolt 5 and a set screw 7 on the mounting flange 31, as shown in fig. 3; the rotating shaft 21 at the root of the inlet guide vane blade 2 passes through the bushing 8/9, the washer 10 and the pressing sleeve 3, and is fixed or loosened with the pressing sleeve 3 by the set screw 6. The top of the rotating shaft 21 at the blade root of the inlet guide blade 2 is provided with a threaded hole, and after the inlet guide blade 2 and the pressing sleeve 3 are fixed by the fastening screw 6, a rotating handle 4 can be installed; after the rotating handle 4 is installed in place, the set screw 6 is loosened, the rotating handle 4 can drive the inlet guide vane blade 2 to rotate, and then the installation angle of the inlet guide vane can be adjusted. In addition, each rotating handle 4 at least comprises a rotating disc 41 and a knob part 42 concentrically and fixedly arranged on the top surface of the rotating disc 41, the outer diameter of the rotating disc 41 is at least larger than the inner diameter of the pressing sleeve 3, when the installation angle of the inlet guide vane blade 2 needs to be adjusted, the set screw 6 is rotated to be separated from the rotating shaft 21, the rotating disc 41 is utilized to support the rotating shaft 21 in the pressing sleeve 3, and the installation angle is adjusted through rotating the knob part 42; when the installation angle is adjusted to the target position, the set screw 6 is rotated to be closely pressed against the side wall of the turning shaft 21 to lock the turning shaft 21.
In addition, the turning handle 4 further comprises a pointer 43 fixedly arranged on the turning disc 41, a dial 32 for indicating the inlet guide vane mounting angle is circumferentially arranged on the annular end surface of the top end of the pressing sleeve 3, the pointer 43 extends to the dial 32 along the radial direction of the turning disc 41, and the inlet guide vane mounting angle is judged through the position of the pointer 43 on the dial 32. And calibrating the 0-degree reticle position of the dial according to the actual 0-degree position of the mounting angle of the inlet guide vane.
In addition, when the turning handle 4 is mounted on the turning shaft 21, a threaded hole is formed at the end of the turning shaft 21, a threaded rod 44 is formed at the center of the bottom of the turning disc 41, and the turning handle 4 is fixedly disposed in the threaded hole of the turning shaft 21 through the threaded rod 44.
Specifically, the utility model discloses a need confirm 0 positions of import stator before import stator adjustment mechanism uses, concrete control method: a rotating shaft 21 at the blade root of the inlet guide blade 2 penetrates through the pressing sleeve 3, and is fixed with the pressing sleeve 3 by a set screw 6, and then a rotating handle 4 is installed; after the handle 4 is rotated and installed in place, the set screws 6 are loosened, and the 0-degree position of the dial inlet guide vane on the pressing sleeve 3 is determined by utilizing the 0-degree tooling of the inlet guide vane.
Specifically, the utility model discloses a control method that imported stator adjustment mechanism adjusted imported stator angle: manually loosening a fastening screw 6 between a rotating shaft 21 at the blade root of the inlet guide vane blade 2 and the pressing sleeve 3, driving the inlet guide vane blade 2 to rotate by utilizing a rotating handle 4, and determining the required inlet guide vane angle position according to the angle value indicated by a metal pointer on the rotating handle 4 on a dial of the pressing sleeve 3; after the required inlet guide vane angle position is determined, the set screw 6 between the inlet guide vane blade 2 and the pressing sleeve 3 is fixed, and the testing requirement of the compressor is met.
Referring to fig. 4 and 5, in the inlet guide vane adjusting mechanism of the present invention, the dial 32 is provided on the top of the pressing sleeve 3, and the rotating handle 4 is provided with a metal pointer 43 for indicating the angle of the inlet guide vane; the pressing sleeve 3 is provided with a plurality of fixing bolts to prevent loosening.
The above description is only a preferred embodiment of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An inlet guide vane adjusting mechanism comprises an inlet guide vane cylinder and a plurality of inlet guide vane blades evenly distributed on the inlet guide vane cylinder along the circumferential direction, the blade root of each inlet guide vane blade is formed into a rotating shaft, the rotating shaft at the blade root of each inlet guide vane blade is arranged on the inlet guide vane cylinder in an angle-adjustable manner through a manual adjusting mechanism, and the inlet guide vane adjusting mechanism is characterized in that,
each manual adjusting mechanism at least comprises a pressing sleeve and a rotating handle, wherein,
the pressure sleeve is integrally cylindrical, a mounting flange is formed on the side wall close to the top of the pressure sleeve, a plurality of stepped mounting holes which are in one-to-one correspondence with the pressure sleeve are formed in the inlet guide vane cylinder, each pressure sleeve is fixedly mounted in one corresponding stepped mounting hole through the mounting flange,
a plurality of adjustable set screws are further arranged on the side wall of each pressing sleeve and are all located above the mounting flange, a rotating shaft at the blade root of each inlet guide vane penetrates through the pressing sleeve, and the rotating shaft is fixed or loosened by adjusting the abutting degree between the set screws and the rotating shaft;
the tail end of each rotating shaft is fixedly provided with one rotating handle, each rotating handle at least comprises a rotating disc and a knob part which is concentrically and fixedly arranged on the top surface of the rotating disc, and the outer diameter of the rotating disc is at least larger than the inner diameter of the pressing sleeve.
2. The inlet guide vane adjustment mechanism of claim 1, wherein the outer diameter of the rotating shaft is adapted to the inner diameter of the pressing sleeve with a plurality of bushings disposed therebetween.
3. The inlet guide vane adjustment mechanism of claim 1, wherein each mounting flange is provided with a plurality of attachment holes, and each pressure sleeve is fixedly mounted in a corresponding stepped mounting hole through the attachment holes of the mounting flange by fasteners.
4. The inlet guide vane adjustment mechanism of claim 1, wherein the rotary shaft is non-rotatable when the set screw is rotated to bear tightly against the sidewall of the rotary shaft, and rotatable when the set screw is rotated to disengage from abutment with the rotary shaft.
5. The inlet guide vane adjusting mechanism of claim 1, wherein the end of the rotating shaft is provided with a threaded hole, the center of the bottom of the rotating disc is provided with a threaded rod, and the rotating handle is fixedly arranged in the threaded hole of the rotating shaft through the threaded rod.
6. The inlet guide vane adjusting mechanism according to claim 1, wherein the rotating handle further comprises a pointer fixedly arranged on the rotating disc, a dial for indicating the inlet guide vane installation angle is circumferentially arranged on the annular end surface of the top end of the pressing sleeve, the pointer extends to the dial along the radial direction of the rotating disc, and the inlet guide vane installation angle is judged by the position of the pointer on the dial.
7. The inlet guide vane adjustment mechanism of claim 6, wherein the 0 ° score line position of the dial is calibrated based on the actual 0 ° position of the inlet guide vane setting angle.
8. The inlet guide vane adjustment mechanism of claim 1, wherein the number of set screws on the side wall of the pressure sleeve is at least two to prevent inlet guide vane blade loosening during compressor testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020894413.XU CN212838609U (en) | 2020-05-25 | 2020-05-25 | Inlet guide vane adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020894413.XU CN212838609U (en) | 2020-05-25 | 2020-05-25 | Inlet guide vane adjusting mechanism |
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| CN212838609U true CN212838609U (en) | 2021-03-30 |
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| CN202020894413.XU Active CN212838609U (en) | 2020-05-25 | 2020-05-25 | Inlet guide vane adjusting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664110A (en) * | 2020-05-25 | 2020-09-15 | 中科澳能(北京)节能技术有限公司 | Compressor inlet guide vane adjusting mechanism and control method thereof |
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2020
- 2020-05-25 CN CN202020894413.XU patent/CN212838609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664110A (en) * | 2020-05-25 | 2020-09-15 | 中科澳能(北京)节能技术有限公司 | Compressor inlet guide vane adjusting mechanism and control method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220303 Address after: 903, floor 9, building 3, No. 15, xidawang Road, Chaoyang District, Beijing 100022 Patentee after: Zhongke Jiulang (Beijing) Energy Technology Co.,Ltd. Address before: 100190, No. 11 West Fourth Ring Road, Beijing, Haidian District Patentee before: Institute of Engineering Thermophysics, Chinese Academy of Sciences |
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| TR01 | Transfer of patent right |